./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:06,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:06,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:00:06,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:06,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:06,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:06,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:06,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:06,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:06,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:06,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:06,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:06,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:06,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:06,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:06,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:06,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:06,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:06,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:06,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:06,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:06,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:06,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:06,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:06,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:06,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:06,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:06,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:06,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:06,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:06,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:06,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:06,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:06,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:06,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:06,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e [2023-11-19 04:00:07,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:07,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:07,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:07,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:07,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:07,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2023-11-19 04:00:10,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:11,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:11,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2023-11-19 04:00:11,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/data/c43025aa2/17767f0ed8e84d2ea673c25007b3be7a/FLAG3936439b6 [2023-11-19 04:00:11,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/data/c43025aa2/17767f0ed8e84d2ea673c25007b3be7a [2023-11-19 04:00:11,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:11,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:11,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:11,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:11,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:11,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:11" (1/1) ... [2023-11-19 04:00:11,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c7c8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:11, skipping insertion in model container [2023-11-19 04:00:11,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:11" (1/1) ... [2023-11-19 04:00:11,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:12,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:12,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:12,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:12,977 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:12,987 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:12,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12 WrapperNode [2023-11-19 04:00:12,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:12,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:12,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:12,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:13,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,284 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3140 [2023-11-19 04:00:13,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:13,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:13,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:13,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:13,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:13,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:13,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:13,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:13,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:12" (1/1) ... [2023-11-19 04:00:13,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:13,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:13,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:13,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6393c5b-76d4-4b23-9a11-ca422c8f651a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-11-19 04:00:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-11-19 04:00:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:00:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:00:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:00:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:00:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:00:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:00:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:14,228 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:14,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:18,047 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:23,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:23,231 INFO L302 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-19 04:00:23,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:23 BoogieIcfgContainer [2023-11-19 04:00:23,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:23,247 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:23,247 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:23,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:23,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:23" (1/1) ... [2023-11-19 04:00:23,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 279 states and 479 transitions. [2023-11-19 04:00:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 479 transitions. [2023-11-19 04:00:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:23,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:23,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:23,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:23,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:23,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 04:00:23,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 04:00:23,930 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:00:23,933 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 04:00:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:00:23,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 04:00:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 282 states and 484 transitions. [2023-11-19 04:00:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 484 transitions. [2023-11-19 04:00:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:00:24,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 04:00:24,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 04:00:24,277 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:00:24,277 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 04:00:24,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:00:24,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 04:00:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 283 states and 485 transitions. [2023-11-19 04:00:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 485 transitions. [2023-11-19 04:00:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:00:24,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 283 states and 483 transitions. [2023-11-19 04:00:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 483 transitions. [2023-11-19 04:00:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:00:24,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 283 states and 480 transitions. [2023-11-19 04:00:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 480 transitions. [2023-11-19 04:00:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:24,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 283 states and 476 transitions. [2023-11-19 04:00:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 476 transitions. [2023-11-19 04:00:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:24,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 283 states and 472 transitions. [2023-11-19 04:00:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 472 transitions. [2023-11-19 04:00:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:24,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 283 states and 469 transitions. [2023-11-19 04:00:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 469 transitions. [2023-11-19 04:00:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:25,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:25,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 283 states and 463 transitions. [2023-11-19 04:00:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 463 transitions. [2023-11-19 04:00:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:00:25,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:25,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:25,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:35,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 283 states and 457 transitions. [2023-11-19 04:00:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 457 transitions. [2023-11-19 04:00:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:35,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:36,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:46,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:56,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:06,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 291 states and 469 transitions. [2023-11-19 04:01:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 469 transitions. [2023-11-19 04:01:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:06,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 291 states and 467 transitions. [2023-11-19 04:01:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 467 transitions. [2023-11-19 04:01:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:01:07,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 291 states and 465 transitions. [2023-11-19 04:01:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 465 transitions. [2023-11-19 04:01:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:01:07,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:07,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:07,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 04:01:07,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5